제출 #974488

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
974488		AliHasanli	콤보 (IOI18_combo)	C++17	100 / 100	17 ms	2144 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
 
string guess_sequence(int n) {
	string a="ABXY", b="AB", d, s;
	if(!press("AB"))
		b="XY";
	char fc=b[0];
	if(!press(b.substr(0, 1)))
		fc=b[1];
	for(int i=0;i<a.size();i++)
		if(a[i]!=fc)
			d+=a[i];
	s+=fc;
	if(n<=1)
		return s;
	while(s.size()<n-1)
		s+=d[press(s+d[1]+s+d[2]+d[0]+s+d[2]+d[1]+s+d[2]+d[2])-s.size()];
	if(press(s+d[0]+s+d[1])>s.size()) {
		if(press(s+d[0])>s.size())
			return s+d[0];
		return s+d[1];
	}
	return s+d[2];
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for(int i=0;i<a.size();i++)
      |              ~^~~~~~~~~
combo.cpp:18:16: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |  while(s.size()<n-1)
      |        ~~~~~~~~^~~~
combo.cpp:20:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  if(press(s+d[0]+s+d[1])>s.size()) {
      |     ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
combo.cpp:21:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |   if(press(s+d[0])>s.size())
      |      ~~~~~~~~~~~~~^~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 95 / 95